laging

Hello! So... When im not streaming I'v got 260 fps avg (usually I play at 144 fps caped stable 1%low avg 100 fps and smooth performance). As soon as I open OBS my fps going down to 150, and 1% low 60-70fps. And I can feel that game is not smooth. I got disent pc so I don't know whats the issue...

obs is consuming too much process games are lagging unlike the other app i use it records and streams with out taking a strine on the pc with high resolutions an some time it doesn't even record black screen all the way